213 #define LOCK_PFS(g)	    	spin_lock_irqsave(&pfm_sessions.pfs_lock, g)
214 #define UNLOCK_PFS(g)	    	spin_unlock_irqrestore(&pfm_sessions.pfs_lock, g)
507 static pfm_session_t		pfm_sessions;	/* global sessions information */  variable
1336 		pfm_sessions.pfs_sys_sessions,  in pfm_reserve_session()
1337 		pfm_sessions.pfs_task_sessions,  in pfm_reserve_session()
1338 		pfm_sessions.pfs_sys_use_dbregs,  in pfm_reserve_session()
1346 		if (pfm_sessions.pfs_task_sessions > 0UL) {  in pfm_reserve_session()
1348 			  	pfm_sessions.pfs_task_sessions));  in pfm_reserve_session()
1352 		if (pfm_sessions.pfs_sys_session[cpu]) goto error_conflict;  in pfm_reserve_session()
1356 		pfm_sessions.pfs_sys_session[cpu] = task;  in pfm_reserve_session()
1358 		pfm_sessions.pfs_sys_sessions++ ;  in pfm_reserve_session()
1361 		if (pfm_sessions.pfs_sys_sessions) goto abort;  in pfm_reserve_session()
1362 		pfm_sessions.pfs_task_sessions++;  in pfm_reserve_session()
1366 		pfm_sessions.pfs_sys_sessions,  in pfm_reserve_session()
1367 		pfm_sessions.pfs_task_sessions,  in pfm_reserve_session()
1368 		pfm_sessions.pfs_sys_use_dbregs,  in pfm_reserve_session()
1383   		task_pid_nr(pfm_sessions.pfs_sys_session[cpu]),  in pfm_reserve_session()
1402 		pfm_sessions.pfs_sys_sessions,  in pfm_unreserve_session()
1403 		pfm_sessions.pfs_task_sessions,  in pfm_unreserve_session()
1404 		pfm_sessions.pfs_sys_use_dbregs,  in pfm_unreserve_session()
1410 		pfm_sessions.pfs_sys_session[cpu] = NULL;  in pfm_unreserve_session()
1415 			if (pfm_sessions.pfs_sys_use_dbregs == 0) {  in pfm_unreserve_session()
1418 				pfm_sessions.pfs_sys_use_dbregs--;  in pfm_unreserve_session()
1421 		pfm_sessions.pfs_sys_sessions--;  in pfm_unreserve_session()
1423 		pfm_sessions.pfs_task_sessions--;  in pfm_unreserve_session()
1426 		pfm_sessions.pfs_sys_sessions,  in pfm_unreserve_session()
1427 		pfm_sessions.pfs_task_sessions,  in pfm_unreserve_session()
1428 		pfm_sessions.pfs_sys_use_dbregs,  in pfm_unreserve_session()
3465 	if (pfm_sessions.pfs_sys_use_dbregs> 0)  in pfm_use_debug_registers()
3468 		pfm_sessions.pfs_ptrace_use_dbregs++;  in pfm_use_debug_registers()
3471 		  pfm_sessions.pfs_ptrace_use_dbregs,  in pfm_use_debug_registers()
3472 		  pfm_sessions.pfs_sys_use_dbregs,  in pfm_use_debug_registers()
3497 	if (pfm_sessions.pfs_ptrace_use_dbregs == 0) {  in pfm_release_debug_registers()
3501 		pfm_sessions.pfs_ptrace_use_dbregs--;  in pfm_release_debug_registers()
3750 			if (pfm_sessions.pfs_ptrace_use_dbregs)  in pfm_write_ibr_dbr()
3753 				pfm_sessions.pfs_sys_use_dbregs++;  in pfm_write_ibr_dbr()
3863 			pfm_sessions.pfs_sys_use_dbregs--;  in pfm_write_ibr_dbr()
4227 			if (pfm_sessions.pfs_ptrace_use_dbregs) {  in pfm_context_load()
4232 				pfm_sessions.pfs_sys_use_dbregs++;  in pfm_context_load()
4233 …DPRINT(("load [%d] increased sys_use_dbreg=%u\n", task_pid_nr(task), pfm_sessions.pfs_sys_use_dbre…  in pfm_context_load()
4386 		pfm_sessions.pfs_sys_use_dbregs--;  in pfm_context_load()
5623  		pfm_sessions.pfs_task_sessions,  in pfm_proc_show_header()
5624  		pfm_sessions.pfs_sys_sessions,  in pfm_proc_show_header()
5625  		pfm_sessions.pfs_sys_use_dbregs,  in pfm_proc_show_header()
5626  		pfm_sessions.pfs_ptrace_use_dbregs);  in pfm_proc_show_header()
6639 	spin_lock_init(&pfm_sessions.pfs_lock);  in pfm_init()